Grapefruit knife

Another type includes an angled tip and double sided serrated blade.

When both types are used, the result is an intact-looking fruit with sections which lift out easily - especially if a "grapefruit spoon" is used.

[1] In the 1950 film noir movie In a Lonely Place, Humphrey Bogart's character straightens out a grapefruit knife, unaware of the purpose of its design.

[3] Trading Standards officers of the Royal Borough of Windsor and Maidenhead brought charges in East Berkshire Magistrates' Court against W J Daniel and Company Limited, one of whose employees had sold a grapefruit knife to a test purchaser under the age of 16 on 17 February 2009.

The magistrates were persuaded that it was not, in fact, a knife but a "gadget" and duly dismissed the case.